The “barriers” to doing something about climate change are business and political interests that profit off of fossil fuels — “dirty energy that causes dirty weather.” He compared fake science from polluters stating that humans are not to blame for the climate to tobacco companies that used to hire actors to play doctors who denied cigarettes were dangerous.

“That’s immoral, unethical and despicable,” he said of both.

more @ http://weaselzippers.us/183066-al-gore-calls-global-warming-skeptics-immoral-unethical-and-despicable/